97 STAT. 428 PUBLIC LAW 98-76 —AUG. 12, 1983 "(B) WAGE BASE FOR FIRST TAXABLE PERIOD. —In the case of the taxable period beginning on July 1, 1986, and ending on December 31, 1986, such subsection (b) shall be applied by substituting '$3,500' for '$7,000' each place it appears in paragraph (1) thereof. "(C) WAGE BASE FOR LAST TAXABLE PERIOD. —In the case of the taxable period beginning on January 1, 1990, and ending on September 30, 1990, such subsection (b) shall be applied by substituting '$5,250' for '$7,000' each place it appears in paragraph (1) thereof. "(c) RAIL EMPLOYMENT. —For purposes of this chapter, the term 'rail employment' means services performed by an individual as a rail employee or employee representative. "(d) RAIL EMPLOYEE AND EMPLOYEE REPRESENTATIVE.— For pur- poses of this chapter— "(1) RAIL EMPLOYEE.— The term 'rail employee' means any person who is an employee as defined in section 1 of the 45 USC 351. Railroad Unemployment Insurance Act. "(2) EMPLOYEE REPRESENTATIVE.— The term 'employee repre- sentative' has the meaning given such term by section 1 of the Railroad Unemployment Insurance Act. " (e) CONCURRENT EMPLOYMENT BY 2 OR MORE RAIL EMPLOYERS.— For purposes of this chapter, if 2 or more related corporations which are rail employers concurrently employ the same individual and compensate such individual through a common paymeister which is 1 of such corporations, each such corporation shall be considered to have paid as remuneration to such individual only the amounts actually disbursed by it to such individual and shall not be consid- ered to have paid as remuneration to such individual amounts actually disbursed to such individual by another of such corporations. "(f) CERTAIN RULES MADE APPLICABLE. — For purposes of this chap- 26 USC 3307, ter, rules similar to the rules of sections 3307 and 3308 shall apply." ^^^^- (b) QUARTERLY PAYMENT OF TAX.— 26 USC 6157. (1) IN GENERAL. —Section 6157 of such Code (relating to pay- ment of Federal unemployment tax on quarterly or other time period basis) is amended by adding at the end thereof the following new subsection: " (d) QUARTERLY PAYMENT OF RAILROAD UNEMPLOYMENT REPAY- MENT TAX.— "(1) IN GENERAL.— Every rail employer shall compute the tax Ante, p. 426. imposed by section 3321 for each calendar quarter in any tax- able period in the manner provided in paragraph (2). The tax so computed shall, except as otherwise provided in paragraph (3), be paid in such manner and at such time as may be provided in regulations prescribed by the Secretary. "(2) COMPUTATION OF TAX. — The tax for any calendar quarter shall be computed by multiplying the aggregate amount of rail wages paid in such calendar quarter by the applicable percent- age determined under section 3321(c). "(3) EXCEPTIONS.— No payment shall be required under this subsection— "(A) for the last calendar quarter in any taxable period, and "(B) for any calendar quarter if the tax under section 3321 for such quarter, plus any unpaid amounts for prior
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